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Crop Protection :: Pests of Grapes

Sthenias grisator

Symptoms of damage

  • Wilting of branches and then the entire vine.

Identification of pest

  • Grub - Head is dark brown colour, pair of strong mandibles.
  • Adult – Medium sized, grey coloured with a white spot in the center of each elytra.

Management

  • Remove loose bark at the time of pruning to prevent egg laying

  • Collect and destroy damaged plant parts

  • Swab trunk with carbaryl 50 WP 2g/ lit

  • Spray application of anf following insecticides

    • phosalone 35 EC 0.07%
    • quinalphos 25 EC 0.05%
    • carbaryl 50 WP  0.1%, first round immediately after pruning and repeat it 2-3 times
Cane girdler injury
Adult

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